Upgrade node runtime to v20 (#673)

Author: xelaris

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
     - name: Setup node and cache dependencies
       uses: actions/setup-node@v3
       with:
-        node-version: 16
+        node-version: 20
         cache: 'npm'
 
     - name: Build and test 

.nvmrc

@@ -1 +1 @@
-v16.13.1
+v20.11.0

action.yml

@@ -53,7 +53,7 @@ outputs:
     description: "The array of downloaded files, useful when using wildcard '*' to download multiple files."      
 
 runs:
-  using: "node16"
+  using: "node20"
   main: "dist/index.js"
 branding:
   icon: "download"